A few Harry Potter fans with lingering questions about the series had their questions answered by J.K. Rowling herself for Harry Potter Book Night, including whatever happened to Hagrid's three-headed dog Fluffy.

For some time now fans of the Harry Potter books have been anxiously waiting for cunning Hogwarts mastermind JK Rowling to launch "Pottermore," an online destination for fans that was so shrouded in mystery that even the most obsessed Potter addicts seemed to know nothing about it.